@inproceedings{PADL-1999-CadoliPSV,
	author        = "Marco Cadoli and Luigi Palopoli and Andrea Schaerf and Domenico Vasile",
	booktitle     = "{Proceedings of the First International Workshop on Practical Aspects of Declarative Languages}",
	doi           = "10.1007/3-540-49201-1_2",
	isbn          = "3-540-65527-1",
	pages         = "16--30",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{NP-SPEC: An Executable Specification Language for Solving All Problems in NP}",
	volume        = 1551,
	year          = 1999,
}